Opened 7 years ago
Last modified 7 years ago
#4430 new defect
MDD clocked SerialPackager models fail to translate
| Reported by: | Bernhard Thiele | Owned by: | Lennart Ochel |
|---|---|---|---|
| Priority: | high | Milestone: | Future |
| Component: | Backend | Version: | |
| Keywords: | Cc: |
Description
The Modelica Device Drivers examples using clocked SerialPackager blocks fail.
I have committed two failing test cases into the testsuite (https://github.com/OpenModelica/OpenModelica-testsuite/pull/644/commits).
For example, model Modelica_DeviceDrivers.ClockedBlocks.Examples.TestSerialPackager fails with the error message
"Symbolic Error.
Too many equations, over-determined system. The model has 100 equation(s) and 99 variable(s)."
Dymola's diagnosis says: "The DAE has 110 scalar unknowns and 110 scalar equations" and the model simulates.
Note:
See TracTickets
for help on using tickets.
It seems that the model is already overdetermined when it reaches the backend. So probably something goes wrong while flattening.